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Finding the Fourth Proportional to 330,478.94, 456,063.67 and 179,575.94

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Solution

The fourth proportional to 330,478.94, 456,063.67 and 179,575.94 is: 247,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,478.94 : 456,063.67 = 179,575.94 : x
  2. Step 2: Convert to fraction form
    330,478.94/456,063.67 = 179,575.94/x
  3. Step 3: Cross multiply
    330,478.94x = 456,063.67 × 179,575.94
  4. Step 4: Simplify right side
    330,478.94x = 81,898,062,240.10
  5. Step 5: Solve for x
    x = 81,898,062,240.10/330,478.94
  6. Step 6: Final answer
    x = 247,816.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.